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Effects of Urea and Cattle Manure on Yield and Quality of Signal Grass (Brachiaria decumbens Stapf. cv. Basilisk) in Northeast Thailand

Author(s): S. Pholsen | P. Lowilai | Y. Sai-ngarm

Journal: Pakistan Journal of Biological Sciences
ISSN 1028-8880

Volume: 8;
Issue: 9;
Start page: 1192;
Date: 2005;
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Keywords: Cattle manure | dry matter yield | forage quality | signal grass | urea

This experiment was carried out on Korat soil series (Oxic Paleustults) at Khon Kaen University Experimental Farm, Northeast Thailand during the 1998 to 2001 to investigate effects of urea and cattle manure application rates on yield and quality of Signal grass (Brachiaria decumbens Stapf. cv. Basilisk). A Randomised Complete Block Design with four replications was used. The treatments include control, urea @ 125 kg ha 1, Cattle Manure (CM) @ 3.125, 6.25, 12.5 and 25 t ha 1. The results showed that total dry matter yield in the rainy season was significantly higher for urea treatment than manure treatment but in the dry season a reverse result was attained, i.e. the highest rate of cattle manure gave significantly greater total dry matter yield than the rest. Cattle manure @ 25 t ha 1 and urea treatments gave the highest grand total dry matter yields where both were similar. There was a highly significant effect due to year and treatment on dry matter yield but none for year x treatment. Crude Protein contents (CP), in all cases, were significantly higher for the dry season than the rainy season. Urea and the highest rate of cattle manure treatments in the rainy season gave the highest CP contents but in the dry season CP content was higher for urea than cattle manure. There was a significant effect due to urea and cattle manure on Neutral Detergent Fibre content (NDF) in the dry season but none for the rainy season. Significant effect due to treatments on ADF content was also found for both seasons, rainy and dry. A highly significant effect due to treatments on DMD was attained only for the growth in the rainy season but none for the dry season.
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